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NAHAVIWEL NB-70S MAG Welding Wire

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  • NAHAVIWEL NB-70S MAG Welding WireNAHAVIWEL NB-70S MAG Welding Wire
ID : NB 70S
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NAHAVIWEL
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NAHAVIWEL NB-70S MAG Welding Wire:

1. Applications:
NB-70S is one of the most popular solid wires for CO2 or mixture CO2 + Ar gas shielded arc welding and had good weldablity, stable arc, less spatter with excellent bead apparance and can be used in all positions.

2. Classifications:
Equivalent to standards:
- AWS A5.18: ER 70S-6
- JIS Z 3312: YGW12
- DIN 8559: SG2
Approved by Vietnam Register: QCVN 21:2010/BGTVT - SW53.

3. Usage instructions
NB-70S is suitable for welding structures of the low carbon or alloy steel and steel structures with tensile strength higher than 500 N/mm2 such as pressure tanks, automobiles vehicles, ships, bridges,engineering constructions and containers etc. It also can be used for welding thin plates, pipeline at high speed.


NAHAVIWEL NB 70S MAG Welding Wire:

1.Size, recommended currents and gas flow:

Diameter (mm)

ɸ 0.8

ɸ 0.9

ɸ 1.0

ɸ 1.2

ɸ 1.6

Current (A)

60 ÷ 220

80 ÷ 250

100 ÷ 300

120 ÷ 350

180 ÷ 400

Voltage (V)

20 ÷ 22

21 ÷ 23

22 ÷ 24

23 ÷ 25

25 ÷ 28

 Gas flow (l/min)

8 ÷ 10

9 ÷ 11

10 ÷ 12

12 ÷ 14

16 ÷ 18


2. Mechanical properties of the weld metal:

Yield point
(N/mm2)

Tensile strength
(N/mm2)

Elongation
(%)

Impact value
(J/00C)

Shielded gas

450

540

30

100

100% CO2

480

550

32

120

80% Ar + 20% CO2


3. Chemical composition of the weld metal:

% C

% Mn

% Si

% S

% P

0.08

1.40

0.80

0.015

0.018



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